JP6268286B2 - オーディオチャネル及びオーディオオブジェクトのためのオーディオ符号化及び復号化の概念 - Google Patents

オーディオチャネル及びオーディオオブジェクトのためのオーディオ符号化及び復号化の概念 Download PDF

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JP6268286B2
JP6268286B2 JP2016528435A JP2016528435A JP6268286B2 JP 6268286 B2 JP6268286 B2 JP 6268286B2 JP 2016528435 A JP2016528435 A JP 2016528435A JP 2016528435 A JP2016528435 A JP 2016528435A JP 6268286 B2 JP6268286 B2 JP 6268286B2
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audio
channel
decoder
channels
encoder
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JP2016525715A (ja
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アダミ，アレキサンデル
ボルス，クリスチャン
ディック，サッシャ
エルテル，クリスチャン
フェーク，シモーネ
ヘルレ，ユルゲン
ヒルペルト，ヨハネス
ヘルツェル，アンドレアス
クラッツシュメール，ミヒャエル
ケッヒ，ファビアン
クンツ，アヒム
ムルタザ，アドリアン
プロクティース，ヤン
ジルツル，アンドレアス
シュテンツェル，ハンネ
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フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
JP2016528435A 2013-07-22 2014-07-16 オーディオチャネル及びオーディオオブジェクトのためのオーディオ符号化及び復号化の概念 Active JP6268286B2 (ja)

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EP13177378.0 2013-07-22
EP20130177378 EP2830045A1 (en) 2013-07-22 2013-07-22 Concept for audio encoding and decoding for audio channels and audio objects
PCT/EP2014/065289 WO2015010998A1 (en) 2013-07-22 2014-07-16 Concept for audio encoding and decoding for audio channels and audio objects

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JP6268286B2 true JP6268286B2 (ja) 2018-01-24

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US (3) US10249311B2 (enrdf_load_stackoverflow)
EP (4) EP2830045A1 (enrdf_load_stackoverflow)
JP (1) JP6268286B2 (enrdf_load_stackoverflow)
KR (2) KR101943590B1 (enrdf_load_stackoverflow)
CN (2) CN110942778B (enrdf_load_stackoverflow)
AR (1) AR097003A1 (enrdf_load_stackoverflow)
AU (1) AU2014295269B2 (enrdf_load_stackoverflow)
BR (1) BR112016001143B1 (enrdf_load_stackoverflow)
CA (1) CA2918148A1 (enrdf_load_stackoverflow)
ES (2) ES2913849T3 (enrdf_load_stackoverflow)
MX (1) MX359159B (enrdf_load_stackoverflow)
PL (2) PL4033485T3 (enrdf_load_stackoverflow)
PT (1) PT3025329T (enrdf_load_stackoverflow)
RU (1) RU2641481C2 (enrdf_load_stackoverflow)
SG (1) SG11201600476RA (enrdf_load_stackoverflow)
TW (1) TWI566235B (enrdf_load_stackoverflow)
WO (1) WO2015010998A1 (enrdf_load_stackoverflow)
ZA (1) ZA201601076B (enrdf_load_stackoverflow)

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